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Finding the Fourth Proportional to 342,523.38, 472,675.47 and 189,552.63

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Solution

The fourth proportional to 342,523.38, 472,675.47 and 189,552.63 is: 261,578.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,523.38 : 472,675.47 = 189,552.63 : x
  2. Step 2: Convert to fraction form
    342,523.38/472,675.47 = 189,552.63/x
  3. Step 3: Cross multiply
    342,523.38x = 472,675.47 × 189,552.63
  4. Step 4: Simplify right side
    342,523.38x = 89,596,878,474.99
  5. Step 5: Solve for x
    x = 89,596,878,474.99/342,523.38
  6. Step 6: Final answer
    x = 261,578.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.